U111E 2022 GMC Sierra Code - Lost Communication with EVAP Purge Pump
Quick Answer
Purge capacity is being reduced by technologies that improve fuel economy. Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U111E 2022 GMC Sierra indicates Lost Communication with EVAP Purge Pump.
- Common causes
- Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code U111E 2022 GMC Sierra Description
What are the Possible Causes of the DTC U111E 2022 GMC Sierra?
- Faulty Evaporative Emission Purge Pump
- Evaporative Emission Purge Pump harness is open or shorted
- Evaporative Emission Purge Pump circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC U111E 2022 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U111E 2022 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the U111E 2022 GMC Sierra code?
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Frequently Asked Questions about U111E 2022 GMC Sierra Code
1. What are common symptoms of OBDII code U111E in a 2022 GMC Sierra related to lost communication with the EVAP purge pump?
- Common symptoms include the check engine light coming on, issues with fuel efficiency, and potential difficulties with emissions testing.
2. What are some possible causes of the U111E code indicating lost communication with the EVAP purge pump in a 2022 GMC Sierra?
- Possible causes include faulty wiring or connections, a malfunctioning EVAP purge pump, a damaged ECM (Engine Control Module), or a communication network issue.
3. How can I diagnose the U111E code in my 2022 GMC Sierra related to the EVAP purge pump communication problem?
- Diagnosing the issue involves inspecting the wiring and connectors for damage, testing the EVAP purge pump for proper operation, and using a scan tool to check for communication errors in the vehicle's network.
4. Is it safe to continue driving my 2022 GMC Sierra with the U111E code indicating lost communication with the EVAP purge pump?
- It is generally safe to drive the vehicle for a short period if there are no other noticeable issues. However, it is recommended to address the problem promptly to prevent potential long-term damage or increased emissions.
5. Can I reset the U111E code in my 2022 GMC Sierra related to the EVAP purge pump communication issue?
- While you can clear the code using an OBDII scanner, it is essential to address the underlying problem first. Simply resetting the code without fixing the issue may lead to it reoccurring.
6. How much does it typically cost to repair the U111E code for lost communication with the EVAP purge pump in a 2022 GMC Sierra?
- The cost of repair can vary depending on the specific cause of the issue. It may range from a simple wiring repair or connector replacement to a more complex ECM or pump replacement, potentially costing a few hundred to a thousand dollars.
7. Are there any DIY repair tips for addressing the U111E code in a 2022 GMC Sierra related to the EVAP purge pump?
- DIY tips include checking and repairing any damaged wiring or connectors, ensuring proper connections, and testing the EVAP purge pump's functionality. However, if you are not experienced with automotive repairs, it is best to consult a professional mechanic.
8. How long does it typically take to repair the U111E code indicating lost communication with the EVAP purge pump in a 2022 GMC Sierra?
- The repair time can vary based on the exact cause of the issue. Simple fixes like repairing a connection may take less than an hour, while more complex repairs involving component replacement could take several hours or longer.
9. Can the U111E code related to lost communication with the EVAP purge pump in a 2022 GMC Sierra cause any other problems with the vehicle?
- While the immediate concern is the communication issue with the EVAP purge pump, unresolved problems can potentially affect emissions, fuel efficiency, and overall engine performance if left unaddressed.
10. Is it necessary to visit a dealership for repairs when encountering the U111E code in a 2022 GMC Sierra indicating lost communication with the EVAP purge pump?
- While a dealership may have specialized knowledge and access to OEM parts, independent mechanics with experience in diagnosing and repairing EVAP system issues can often provide quality service at a lower cost.
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